WO2008020518A1 - Serveur de navigation, dispositif de navigation, et système de navigation - Google Patents

Serveur de navigation, dispositif de navigation, et système de navigation Download PDF

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Publication number
WO2008020518A1
WO2008020518A1 PCT/JP2007/064032 JP2007064032W WO2008020518A1 WO 2008020518 A1 WO2008020518 A1 WO 2008020518A1 JP 2007064032 W JP2007064032 W JP 2007064032W WO 2008020518 A1 WO2008020518 A1 WO 2008020518A1
Authority
WO
WIPO (PCT)
Prior art keywords
navigation
information
navigation device
processing unit
difference information
Prior art date
Application number
PCT/JP2007/064032
Other languages
English (en)
Japanese (ja)
Inventor
Tadafumi Nogawa
Satoshi Murata
Original Assignee
Honda Motor Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co., Ltd. filed Critical Honda Motor Co., Ltd.
Priority to EP07790812A priority Critical patent/EP2053357A1/fr
Publication of WO2008020518A1 publication Critical patent/WO2008020518A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3885—Transmission of map data to client devices; Reception of map data by client devices
    • G01C21/3889—Transmission of selected map data, e.g. depending on route
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3859—Differential updating map data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle

Definitions

  • the present invention relates to a navigation server that supports guidance of a moving object by the navigation device based on communication with the navigation device, a navigation device that guides the moving object based on communication with the navigation server, and the navigation server And a navigation system constituted by the navigation device.
  • the difference information between the map information of the old version and the map information of the new version is transmitted from the navigation server to the navigation device, and the old version stored in the storage device in the navigation device.
  • a technique for updating the map information to a new version of map information using the difference information has been proposed (see, for example, paragraphs 0008 to 0009 of JP-A-2002-296042).
  • the route searched by the same navigation device and the navigation server according to the same algorithm may be the same. For this reason, when the vehicle is located on a road that is not reflected in the map information used by the navigation device, the route search by the navigation device may end unsuccessfully.
  • the map information in the navigation device may be unsuccessfully updated in accordance with the difference determination result of the route searched by each of the navigation device and the navigation server. Therefore, in view of the necessity of updating map information used by the navigation device, the present invention matches the map information used by each of the navigation device and the navigation server at an appropriate frequency and timing. The issue to be solved is to provide navigation systems that can be used.
  • the navigation server of the first invention is a navigation server that supports guidance of a moving body by the navigation device based on communication with the navigation device, the support map information being stored in the support map storage unit, Based on communication with the navigation device, a part of the route connecting the version of the navigation map information stored in the navigation map storage unit of the navigation device and the departure or current position and the destination position of the mobile device Or recognizing the target area including all and the navigation identifier of the navigation device, and determining the presence or absence of difference information in the target area between the navigation map information and the support map information based on the recognition result, When it is determined that the difference information force S is present, index information for identifying the difference information is generated based on the index information.
  • the first support processing unit that transmits to the navigation device identified by the navigation identifier, and the user's requested operation in the navigation device from the navigation device to which the index information has been transmitted by the first support processing unit And a second support processing unit that transmits the difference information to the navigation device on the condition that the request signal for the difference information according to the requirement is received.
  • the navigation server of the first invention when there is difference information between the navigation map information and the support map information, the index information representing the difference information is transmitted to the navigation device, and the difference is based on the index information. Preliminary information indicating an outline of the information is output by the navigation device. Then, the difference information is transmitted to the navigation device on the condition that a request signal corresponding to the requested operation by the user is transmitted to the navigation server in the navigation device, and the navigation map information is updated based on the difference information. Can be done.
  • the user After the notice information is output from the navigation device, the user is made to recognize the outline of the difference information, and based on the necessity of the requested operation in the navigation device, that is, based on the difference information of the navigation map information. It is possible to determine whether update is necessary. Therefore, a situation in which difference information that is not necessary for the user is transmitted to the navigation device can be avoided, and the difference can be avoided.
  • the information processing resources of the navigation server and the navigation device that are spent on communication and storage of information are saved.
  • the route to the target position by the navigation device A situation in which index information and difference information which are not necessary in view of the search are transmitted to the navigation device is avoided, and information processing resources consumed for communication of the difference information are saved. This makes it possible to effectively use communication resources and save communication costs between the navigation server and the navigation device. Then, in view of the necessity of updating the navigation map information of the viewpoint power that guides the moving body from the starting position or the current position, the map information used by each of the navigation device and the navigation server is appropriately selected. Can be matched with frequency and timing.
  • a navigation device is a navigation device that guides a moving body based on communication with a navigation server, and is used for communication between a navigation map storage unit storing navigation map information and the navigation server.
  • a first processing unit for recognizing index information for identifying difference information between the navigation map information and the support map information stored in the support map storage unit of the navigation server; and the first processing unit Based on the index information recognized by the user, the notice information indicating the outline of the difference information is output, the presence / absence of the requested operation by the user is recognized, and the difference is sent to the navigation server as a requirement that the requested operation force S is present.
  • a second processing unit that transmits an information request signal, receives the difference information from the navigation server, and updates the navigation map information stored in the map storage unit based on the difference information! And with The Rukoto and Features.
  • the navigation map information is updated based only on the difference information of the target area that is highly necessary for the user as well as the viewpoint power for guiding the moving body from its departure or current position to the target position.
  • the map information used by each of the navigation device and the navigation server is appropriately frequencyd. And timing can be matched.
  • the second processing unit receives the index information representing the coordinates of a plurality of points on a newly opened road as the difference information.
  • the line connecting the plurality of points is output as the advance notice information.
  • the outline of the newly opened road as the difference information that is, the notice information indicating the approximate position and shape of the newly opened road is output, so that the difference is given to the user.
  • the necessity of information can be judged more appropriately.
  • the navigation system of the fourth invention is constituted by the navigation server of the first invention and the navigation device of the second invention.
  • the navigation device and the navigation system Map information used by each of the servers can be aligned with appropriate frequency and timing.
  • FIG. 1 is a diagram illustrating the configuration of a traffic information management system according to the present invention.
  • FIG. 2 Functional explanatory diagram of the traffic information management system of the present invention
  • FIG. 3 Functional explanatory diagram of the traffic information management system of the present invention
  • FIG. 4 Functional explanatory diagram of the traffic information management system of the present invention
  • the configuration of the navigation system of the present invention will be described with reference to FIG.
  • the navigation system shown in FIG. 1 includes a navigation server 100 and a navigation device 200 mounted on an automobile (mobile body) Q.
  • the navigation device 200 may be carried by a user (corresponding to a moving object).
  • the navigation server 100 is configured by one or a plurality of server computers (configured by CPU, ROM, RAM, ⁇ / O, etc.).
  • the navigation server 100 includes a first road traffic information storage unit 101, a second road traffic information storage unit 102, a support map storage unit 104, a distribution history storage unit 105, a first support processing unit 110, and a second support processing. Part 120.
  • the first road traffic information storage unit 101 includes a probe car or a floating car. 1st road traffic information (travel time at each link) based on probe information (position of individual probe cars at each time) transmitted or uploaded from the navigation device 200 installed in the car 2 to the navigation server 100 And the presence or absence of traffic jams).
  • the second traffic information storage unit 102 stores the second road traffic information transmitted from the server of the road traffic information center or the like to the navigation server 100 (in addition to the travel time for each link and the presence or absence of traffic congestion, Information indicating the presence / absence of traffic restrictions, information on the presence / absence of events around each link, and the type of event).
  • the support map storage unit 104 stores support map information.
  • the position, shape, posture, etc. of each link constituting the road are represented by a column of coordinates ((latitude, longitude) or (latitude, longitude, altitude)).
  • Each link has a link identifier for identifying the link and data indicating the road type.
  • Support map information is updated sequentially by automatic or manual input of information according to the opening and closing of roads.
  • combination information of a navigation identifier ID of each navigation device 200 and index information idx (d) for identifying the difference information d distributed to the navigation device 200 is stored. Stored.
  • the first support processing unit 110 connects the version information ver representing the version of the navigation map information with the start position or current position Pi of the automobile Q and the target position P, and the support route.
  • a target area S that covers part or all of R and navigation
  • the navigation identifier ID for identifying the device 200 is recognized.
  • the first support processing unit 110 also determines whether or not there is difference information d in the target area S between the navigation map information of the version represented by the version information ver and the support map information stored in the support map storage unit 104. . When the first support processing unit 110 determines that the difference information d is present, the first support processing unit 110 transmits the index information idx (d) of the difference information d to the navigation device 200 identified by the navigation identifier ID.
  • the second support processing unit 120 is required to receive the request signal Req corresponding to the user's request operation from the navigation device 200 to which the index information idx (di) is transmitted by the first support processing unit 110. Then, the difference information di is transmitted to the navigation device 200.
  • the navigation device 200 includes an ECU or a computer as hardware mounted on the automobile Q, and a navigation program as software stored in a memory and giving various functions to the computer.
  • the navigation program may be stored in the memory (ROM) of the in-vehicle computer from the beginning. However, a part or all of this program may be stored in a server (not shown) at any timing such as when a request is received from the in-vehicle computer. ) May be downloaded or broadcast to the in-vehicle computer via a network or satellite broadcast, and stored in its memory (EEPROM, RAM) or the like.
  • the navigation device 200 includes an input device 201, an output device 202, a navigation map storage unit 204, a first processing unit 210, and a second processing unit 220.
  • the input device 201 includes operation buttons and a microphone phone arranged on the center console or the like of the automobile 2, and allows various settings by user operation or speech.
  • the output device 202 is a display device disposed on the center console of the automobile 2 and displays or outputs navigation map information and the like.
  • the navigation map storage unit 204 stores navigation map information output to the output device 202.
  • the position, shape, posture, and the like of each link constituting the road are expressed by a coordinate sequence, and each link is given a link identifier for identifying each link.
  • the navigation map information includes version information indicating the version. Because the specifications and data structures of navigation map information and support map information are different, even if the definition of coordinate sequences in each map information is different, the same link identifier is attached to the same link, so Matching is possible.
  • the first processing unit 210 recognizes index information idx (d) for identifying or specifying the difference information d based on communication with the navigation server 100.
  • the second processing unit 220 generates notice information pre (d) indicating an outline of the difference information d based on the index information idx (d) recognized by the first processing unit 210, and the output device 202 Output through. Further, the second processing unit 220 recognizes the presence or absence of the “request operation” by the user in the navigation device 200, and transmits the request new number Req of the difference information d to the navigation server 100 as a requirement that the request operation has occurred. Further, the second processing unit 220 receives the second support in response to the request signal Req. The difference information transmitted from the assistance processing unit 120 is received, and the navigation map information stored in the map storage unit 204 is updated based on the difference information.
  • the components of the navigation server 100 and the navigation device 200 "recognize” information means that the component receives the information, searches or reads the information from the storage unit or the memory, receives the information, etc. Calculation, estimation, setting, determination, search, etc. by calculation processing based on basic information, decoding of packets to reveal information, and storage of calculated information in memory, etc. It means that any information processing is performed to prepare the information for other information processing.
  • a component of the navigation device 200 “outputs” information means that information is displayed in all forms that humans can recognize through their five senses, such as visual display, audio output, and vibration output. Means output.
  • the first processing unit 210 recognizes the starting position or the current position p and the target position p of the automobile Q (FIG. 2 ZS211).
  • the current position of car Q is GPS
  • the first processing unit 210 displays the current position p, the target position p, and the version of the navigation map information.
  • the version information ver shown and the navigation identifier ID of the navigation device 200 are transmitted to the navigation server 100 (arrow Z in FIG. 2).
  • the first support processing unit 110 in the navigation server 100 determines the current position p
  • the first support processing unit 110 receives the first road traffic information and the second road traffic information from the first road traffic information storage unit 101, the second road traffic information storage unit 102, and the support map storage unit 104, respectively. And the support map information, and based on the read information,
  • FIG. 2 Search or set one or more support routes R (Fig. 2 ZS112). As a result, for example, as shown in FIG. 3, two support routes R and R connecting the current position p and the target position p of the vehicle Q are set.
  • the first support processing unit 110 determines a target area S that includes part or all of the support route R (FIG. 2 ZS113). As a result, for example, among the plurality of meshes divided in the rectangular shape shown in FIG.
  • the target area S configured by the attached mesh is specified.
  • the first support processing unit 110 determines whether or not there is difference information d in the target area S between the support map information and the navigation map information having the version information ver (FIG. 2ZS114). For example, a newly opened road r as shown by the dashed line in FIG.
  • the difference information d indicating the newly opened road r is included in the target area.
  • the combination of the navigation identifier ID recognized by the first support processing unit 110 and the index information idx (d) of the difference information d is registered or stored in the distribution history storage unit 105. It is determined whether or not the force is applied (FIG. 2 ZS115).
  • the index information idx (d) coordinates ((latitude, longitude) or (latitude, longitude, altitude)) representing multiple points on the newly opened road r, road
  • Type type of toll road, free road, expressway, general road, etc.
  • newly opened road r type of toll road, free road, expressway, general road, etc.
  • the period of validity (such as the start or duration of road opening or closing) is included.
  • the first support processing unit 110 determines that the combination information (ID, idx (d)) is not registered or stored in the distribution history storage unit 105 (FIG. 2 ZS115 ⁇ YES), the navigation identification The index information idx (d) is transmitted to the navigation device 200 identified by the child ID (arrow A2 in FIG. 2).
  • the first processing unit 210 recognizes the index information idx (d) and stores it in a storage device such as a memory (FIG. 2 ZS212). Further, the first processing unit 210 transmits a receipt notification Ack of the index information idx (d) to the navigation server 100 (arrow A3 in FIG. 2).
  • the first support processing unit 110 registers or stores the combination of the navigation identifier ID and the index information idx (d) in the distribution history storage unit 105 (FIG. 2). ZS116).
  • the first support processing unit 110 When it is determined that there is no difference information in the target area S (Fig. 2 ZS114 ' ⁇ ⁇ ), the first support processing unit 110 notifies the navigation device 200 identified by the navigation identifier ID, and In response to this, the second processing unit 220 sets and outputs a navigation route r for guiding the vehicle Q from the current position p to the target position p based on the navigation map information (FIG. 2 ZS2
  • the first support processing unit 110 determines that the combination of the navigation identifier ID and the index information idx (d) is already registered in the distribution history storage unit 105 (Fig. 2 ZS115 ' ⁇ ⁇ )
  • the navigation device 200 identified by the identifier ID is notified of this, and in response to this, the second processing unit 220 checks whether idx (d) is stored in the memory (FIG. 2 ZS221).
  • the second processing unit 220 determines that the index information idx (d) is stored in the memory (FIG. 2 / S221 ⁇ -YES), based on the index information idx (d), the notice information pre ( d) is generated and output through the output device 202 (FIG. 2 ZS222).
  • the notice information pre ( d) is generated and output through the output device 202 (FIG. 2 ZS222).
  • FIG. 4 a plurality of points (“i 0” on the newly opened road r included in the index information idx (d)
  • the line connecting X) is the newly opened road r
  • notice information pre (d) indicating the outline (rough layout and shape).
  • the notice information pre (d) may be displayed in a color different from that of other roads so that the user can easily identify the other roads.
  • the second processing unit 220 along with the notice information pre (d), “Do you want to update the map information?
  • the second support processing unit 120 recognizes the navigation identifier ID and the request signal Req in the navigation server 100 (FIG. 2 ZS122). In addition, the second support processing unit 120 It is determined whether or not the combination information of the navigation identifier ID and the index information idx (di) is registered in the distribution history storage unit 105 (FIG. 2 ZS 124).
  • the second support processing unit 120 determines that the combination information (ID, idx (d)) is registered in the distribution history storage unit 105 (FIG. 2ZS124--YES)
  • the second support processing unit 120 transmits the difference information to the navigation device 20. Send to 0 ( Figure 2Z arrow A5).
  • the second support processing unit 120 determines that the combination information (ID, idx (d)) is not registered in the distribution history storage unit 105 (FIG. 2 / S124-NO)
  • the difference to be transmitted The navigation device 200 is notified that the information d does not exist, and in response to this, the second processing unit 220 determines the current position p force as well as the vehicle Q based on the navigation map information.
  • One route is output to the output device 202 (FIG. 2 ZS226).
  • the second processing unit 220 receives the difference information d and updates the navigation map information by adding the difference information d to the navigation map information stored in the map storage unit 204. ( Figure 2ZS224). Then, the second processing unit 220 deletes the difference information d used for the update and the index information idx (d) from the memory (ZS225 in FIG. 2).
  • the second processing unit 220 reads the navigation map information from the map storage unit 204, and based on the navigation map information, one or more connecting the target position P from the current position p recognized by the first processing unit 210.
  • the navigation route r is searched for and the route is output to the output device 202.
  • the route r can be displayed on the output device 202.
  • the second processing unit 220 determines that an unsolicited operation has been performed by the user (Fig. 2 ZS223 • 2), the navigation stored in the map storage unit 204 without deleting the index information idx (d). Based on the map information, the current position p and the target position p recognized by the first processing unit 210.
  • FIGS. 2ZS221 to S224 Since the index information idx (d) is not deleted, the previous notice information pre (d) is re-established based on the index information idx (d) as described above in response to the subsequent setting of the target position TP.
  • the navigation map information can be updated according to the user's requested operation (see FIGS. 2ZS221 to S224).
  • the outline of the difference information d such as the newly opened road r is recognized by the user through the advance notice information pre (d) output from the navigation device 200.
  • the index information idx (d) and the difference information d transmitted to the navigation device 200 are the difference information d belonging to the target area S determined based on the target position p of the vehicle and the like.
  • the index information idx (d) for identification is narrowed down to. Therefore, the index information idx (d) that is not necessary in view of the search for the navigation route r to the target position p by the navigation device 200.
  • the difference information used for updating the navigation map information and its index information idx (d) is discarded or deleted (see FIG. 2 ZS225).
  • the difference information d and the index information idx (d) that are no longer required after being used for updating the navigation map information are stored in the navigation device 20. A situation where the memory capacity of 0 is unnecessarily reduced is avoided.
  • a combination of the navigation identifier ID and the index information idx (d) of the navigation device 200 is registered in the distribution history storage unit 105 on the condition that the index information idx (d is transmitted to the navigation device 200. (Refer to Fig. 2ZS115.) This avoids the situation where the same index information idx (d), and thus the same difference information d, is transmitted to the same navigation device 200 (see Fig. 2ZS115). ).
  • the navigation server 100 searches for the support route R, and the target area S including at least a part of the support route R is recognized (see FIGS. 2 / S112 and S113).
  • the current position of the automobile Q is recognized in the navigation device 200.
  • the navigation route r connecting 1 and the destination position p is searched, and each link constituting the navigation route r is searched.
  • the link identifier is transmitted from the navigation device 200 to the navigation server 100, and the target area S including some or all of the links identified by the link identifier is identified by the first support processing unit 110 in the navigation server 100. May be.
  • the navigation device 200 searches for the navigation route r and determines a target area S that includes a part or all of the navigation route r, and the target area S is transmitted from the navigation device 200 to the navigation server 100. May be recognized by the first support processing unit 110.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Mathematical Physics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)
  • Instructional Devices (AREA)

Abstract

L'invention concerne un système de navigation capable d'aligner des informations cartographiques utilisées par un dispositif de navigation et un serveur de navigation avec une fréquence appropriée et selon un minutage approprié en tenant compte de la nécessité de mettre à jour les informations cartographiques utilisées par le dispositif de navigation. En cas « d'informations différentielles » entre les informations cartographiques de navigation et les informations cartographiques supports, des « informations d'indice » permettant d'identifier les informations différentielles sont émises par le serveur de navigation 100 au dispositif de navigation 200 et le dispositif de navigation 200 génère des « informations de prédiction » indiquant les grandes lignes des informations différentielles générées selon les informations d'indice. Si un signal de demande sur la base d'une opération de demande formulée par un utilisateur dans le dispositif de navigation 200 est émis à partir du dispositif de navigation 200 vers le serveur de navigation 100, les informations différentielles sont émises du serveur de navigation 100 au dispositif de navigation 200 pour mettre à jour les informations cartographiques de navigation selon les informations différentielles.
PCT/JP2007/064032 2006-08-17 2007-07-13 Serveur de navigation, dispositif de navigation, et système de navigation WO2008020518A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07790812A EP2053357A1 (fr) 2006-08-17 2007-07-13 Serveur de navigation, dispositif de navigation et systeme de navigation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-222733 2006-08-17
JP2006222733A JP2008046024A (ja) 2006-08-17 2006-08-17 ナビサーバ、ナビ装置およびナビシステム

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WO2008020518A1 true WO2008020518A1 (fr) 2008-02-21

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JP (1) JP2008046024A (fr)
CN (1) CN101506618A (fr)
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Publication number Priority date Publication date Assignee Title
EP2543963B1 (fr) * 2011-07-08 2020-05-13 Harman Becker Automotive Systems GmbH Procédé pour actualiser une base de données d'un dispositif de navigation et dispositif de navigation associé
JP5440567B2 (ja) * 2011-07-27 2014-03-12 株式会社デンソー 地図差分データ配信システム、地図差分データ配信装置及び地図差分データ配信方法
EP3252430B1 (fr) * 2016-05-31 2021-05-05 HERE Global B.V. Détermination d'itinéraire et navigation basés sur des régions de carte multiversions
EP3252431B1 (fr) * 2016-05-31 2020-12-16 HERE Global B.V. Détermination d'itinéraire et navigation basés sur des régions de carte multiversions
DE102021107716A1 (de) 2021-03-26 2022-09-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Bereitstellen einer Navigationskarte an ein Fahrzeug, computerlesbares Medium, System, und Fahrzeug

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